'use strict'

var empty_object = {};

var stooge = {
    'first-name': 'Jerome',
    'last-name': 'Howard'
}

//--------------3.5 引用----------------------------------------------------

if( typeof Object.beget !== 'function' ){
    Object.beget = function (o) {
        var F = function () {
            
        };
        F.prototype = o;
        return new F();
    }
}

var another_stooge = Object.beget(stooge);